Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | |
| 3 | Intel 10 Gigabit PCI Express Linux driver |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 4 | Copyright(c) 1999 - 2014 Intel Corporation. |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 5 | |
| 6 | This program is free software; you can redistribute it and/or modify it |
| 7 | under the terms and conditions of the GNU General Public License, |
| 8 | version 2, as published by the Free Software Foundation. |
| 9 | |
| 10 | This program is distributed in the hope it will be useful, but WITHOUT |
| 11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along with |
| 16 | this program; if not, write to the Free Software Foundation, Inc., |
| 17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | |
| 19 | The full GNU General Public License is included in this distribution in |
| 20 | the file called "COPYING". |
| 21 | |
| 22 | Contact Information: |
Jacob Keller | b89aae7 | 2014-02-22 01:23:50 +0000 | [diff] [blame] | 23 | Linux NICS <linux.nics@intel.com> |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 24 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 25 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 26 | |
| 27 | *******************************************************************************/ |
| 28 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 29 | #include <linux/types.h> |
| 30 | #include <linux/module.h> |
| 31 | #include <linux/pci.h> |
| 32 | #include <linux/netdevice.h> |
| 33 | #include <linux/vmalloc.h> |
| 34 | #include <linux/string.h> |
| 35 | #include <linux/in.h> |
| 36 | #include <linux/ip.h> |
| 37 | #include <linux/tcp.h> |
| 38 | #include <linux/ipv6.h> |
Patrick McHardy | f646968 | 2013-04-19 02:04:27 +0000 | [diff] [blame] | 39 | #ifdef NETIF_F_HW_VLAN_CTAG_TX |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 40 | #include <linux/if_vlan.h> |
| 41 | #endif |
| 42 | |
| 43 | #include "ixgbe.h" |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 44 | #include "ixgbe_type.h" |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 45 | #include "ixgbe_sriov.h" |
| 46 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 47 | #ifdef CONFIG_PCI_IOV |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 48 | static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter) |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 49 | { |
| 50 | struct ixgbe_hw *hw = &adapter->hw; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 51 | int num_vf_macvlans, i; |
| 52 | struct vf_macvlans *mv_list; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 53 | |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 54 | adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 55 | e_info(probe, "SR-IOV enabled with %d VFs\n", adapter->num_vfs); |
| 56 | |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 57 | /* Enable VMDq flag so device will be set in VM mode */ |
| 58 | adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED; |
| 59 | if (!adapter->ring_feature[RING_F_VMDQ].limit) |
| 60 | adapter->ring_feature[RING_F_VMDQ].limit = 1; |
| 61 | adapter->ring_feature[RING_F_VMDQ].offset = adapter->num_vfs; |
| 62 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 63 | num_vf_macvlans = hw->mac.num_rar_entries - |
| 64 | (IXGBE_MAX_PF_MACVLANS + 1 + adapter->num_vfs); |
| 65 | |
| 66 | adapter->mv_list = mv_list = kcalloc(num_vf_macvlans, |
| 67 | sizeof(struct vf_macvlans), |
| 68 | GFP_KERNEL); |
| 69 | if (mv_list) { |
| 70 | /* Initialize list of VF macvlans */ |
| 71 | INIT_LIST_HEAD(&adapter->vf_mvs.l); |
| 72 | for (i = 0; i < num_vf_macvlans; i++) { |
| 73 | mv_list->vf = -1; |
| 74 | mv_list->free = true; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 75 | list_add(&mv_list->l, &adapter->vf_mvs.l); |
| 76 | mv_list++; |
| 77 | } |
| 78 | } |
| 79 | |
John Fastabend | 815cccb | 2012-10-24 08:13:09 +0000 | [diff] [blame] | 80 | /* Initialize default switching mode VEB */ |
| 81 | IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN); |
Greg Rose | 9b73598 | 2012-11-08 02:41:35 +0000 | [diff] [blame] | 82 | adapter->flags2 |= IXGBE_FLAG2_BRIDGE_MODE_VEB; |
John Fastabend | 815cccb | 2012-10-24 08:13:09 +0000 | [diff] [blame] | 83 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 84 | /* If call to enable VFs succeeded then allocate memory |
| 85 | * for per VF control structures. |
| 86 | */ |
| 87 | adapter->vfinfo = |
| 88 | kcalloc(adapter->num_vfs, |
| 89 | sizeof(struct vf_data_storage), GFP_KERNEL); |
| 90 | if (adapter->vfinfo) { |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 91 | /* limit trafffic classes based on VFs enabled */ |
| 92 | if ((adapter->hw.mac.type == ixgbe_mac_82599EB) && |
| 93 | (adapter->num_vfs < 16)) { |
| 94 | adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS; |
| 95 | adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS; |
| 96 | } else if (adapter->num_vfs < 32) { |
| 97 | adapter->dcb_cfg.num_tcs.pg_tcs = 4; |
| 98 | adapter->dcb_cfg.num_tcs.pfc_tcs = 4; |
| 99 | } else { |
| 100 | adapter->dcb_cfg.num_tcs.pg_tcs = 1; |
| 101 | adapter->dcb_cfg.num_tcs.pfc_tcs = 1; |
| 102 | } |
| 103 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 104 | /* Disable RSC when in SR-IOV mode */ |
| 105 | adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE | |
| 106 | IXGBE_FLAG2_RSC_ENABLED); |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 107 | |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 108 | /* enable spoof checking for all VFs */ |
Greg Rose | de4c7f6 | 2011-09-29 05:57:33 +0000 | [diff] [blame] | 109 | for (i = 0; i < adapter->num_vfs; i++) |
| 110 | adapter->vfinfo[i].spoofchk_enabled = true; |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 111 | return 0; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 112 | } |
| 113 | |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 114 | return -ENOMEM; |
| 115 | } |
| 116 | |
| 117 | /* Note this function is called when the user wants to enable SR-IOV |
| 118 | * VFs using the now deprecated module parameter |
| 119 | */ |
| 120 | void ixgbe_enable_sriov(struct ixgbe_adapter *adapter) |
| 121 | { |
| 122 | int pre_existing_vfs = 0; |
| 123 | |
| 124 | pre_existing_vfs = pci_num_vf(adapter->pdev); |
| 125 | if (!pre_existing_vfs && !adapter->num_vfs) |
| 126 | return; |
| 127 | |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 128 | /* If there are pre-existing VFs then we have to force |
| 129 | * use of that many - over ride any module parameter value. |
| 130 | * This may result from the user unloading the PF driver |
| 131 | * while VFs were assigned to guest VMs or because the VFs |
| 132 | * have been created via the new PCI SR-IOV sysfs interface. |
| 133 | */ |
| 134 | if (pre_existing_vfs) { |
| 135 | adapter->num_vfs = pre_existing_vfs; |
| 136 | dev_warn(&adapter->pdev->dev, |
| 137 | "Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n"); |
| 138 | } else { |
| 139 | int err; |
| 140 | /* |
| 141 | * The 82599 supports up to 64 VFs per physical function |
| 142 | * but this implementation limits allocation to 63 so that |
| 143 | * basic networking resources are still available to the |
Joe Perches | dbedd44 | 2015-03-06 20:49:12 -0800 | [diff] [blame] | 144 | * physical function. If the user requests greater than |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 145 | * 63 VFs then it is an error - reset to default of zero. |
| 146 | */ |
ethan.zhao | dcc23e3 | 2014-01-16 19:41:04 -0800 | [diff] [blame] | 147 | adapter->num_vfs = min_t(unsigned int, adapter->num_vfs, IXGBE_MAX_VFS_DRV_LIMIT); |
Greg Rose | 66dcfd7 | 2012-12-11 08:26:38 +0000 | [diff] [blame] | 148 | |
| 149 | err = pci_enable_sriov(adapter->pdev, adapter->num_vfs); |
| 150 | if (err) { |
| 151 | e_err(probe, "Failed to enable PCI sriov: %d\n", err); |
| 152 | adapter->num_vfs = 0; |
| 153 | return; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | if (!__ixgbe_enable_sriov(adapter)) |
| 158 | return; |
| 159 | |
| 160 | /* If we have gotten to this point then there is no memory available |
| 161 | * to manage the VF devices - print message and bail. |
| 162 | */ |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 163 | e_err(probe, "Unable to allocate memory for VF Data Storage - " |
| 164 | "SRIOV disabled\n"); |
Alexander Duyck | 99d7448 | 2012-05-09 08:09:25 +0000 | [diff] [blame] | 165 | ixgbe_disable_sriov(adapter); |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 166 | } |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 167 | |
Alexander Duyck | 9297127 | 2012-05-23 02:58:40 +0000 | [diff] [blame] | 168 | #endif /* #ifdef CONFIG_PCI_IOV */ |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 169 | int ixgbe_disable_sriov(struct ixgbe_adapter *adapter) |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 170 | { |
| 171 | struct ixgbe_hw *hw = &adapter->hw; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 172 | u32 gpie; |
| 173 | u32 vmdctl; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 174 | int rss; |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 175 | |
Alexander Duyck | d773d13 | 2012-05-05 05:32:26 +0000 | [diff] [blame] | 176 | /* set num VFs to 0 to prevent access to vfinfo */ |
| 177 | adapter->num_vfs = 0; |
| 178 | |
| 179 | /* free VF control structures */ |
| 180 | kfree(adapter->vfinfo); |
| 181 | adapter->vfinfo = NULL; |
| 182 | |
| 183 | /* free macvlan list */ |
| 184 | kfree(adapter->mv_list); |
| 185 | adapter->mv_list = NULL; |
| 186 | |
Alexander Duyck | 99d7448 | 2012-05-09 08:09:25 +0000 | [diff] [blame] | 187 | /* if SR-IOV is already disabled then there is nothing to do */ |
| 188 | if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 189 | return 0; |
Alexander Duyck | 99d7448 | 2012-05-09 08:09:25 +0000 | [diff] [blame] | 190 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 191 | #ifdef CONFIG_PCI_IOV |
Alexander Duyck | 9297127 | 2012-05-23 02:58:40 +0000 | [diff] [blame] | 192 | /* |
| 193 | * If our VFs are assigned we cannot shut down SR-IOV |
| 194 | * without causing issues, so just leave the hardware |
| 195 | * available but disabled |
| 196 | */ |
Alexander Duyck | e507d0c | 2013-03-26 00:03:21 +0000 | [diff] [blame] | 197 | if (pci_vfs_assigned(adapter->pdev)) { |
Alexander Duyck | 9297127 | 2012-05-23 02:58:40 +0000 | [diff] [blame] | 198 | e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n"); |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 199 | return -EPERM; |
David S. Miller | d47e12d | 2012-07-22 12:36:41 -0700 | [diff] [blame] | 200 | } |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 201 | /* disable iov and allow time for transactions to clear */ |
| 202 | pci_disable_sriov(adapter->pdev); |
| 203 | #endif |
| 204 | |
| 205 | /* turn off device IOV mode */ |
Alexander Duyck | 73079ea | 2012-07-14 06:48:49 +0000 | [diff] [blame] | 206 | IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, 0); |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 207 | gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); |
| 208 | gpie &= ~IXGBE_GPIE_VTMODE_MASK; |
| 209 | IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); |
| 210 | |
| 211 | /* set default pool back to 0 */ |
| 212 | vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL); |
| 213 | vmdctl &= ~IXGBE_VT_CTL_POOL_MASK; |
| 214 | IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl); |
| 215 | IXGBE_WRITE_FLUSH(hw); |
| 216 | |
Alexander Duyck | 1d9c0bf | 2012-05-05 05:32:21 +0000 | [diff] [blame] | 217 | /* Disable VMDq flag so device will be set in VM mode */ |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 218 | if (adapter->ring_feature[RING_F_VMDQ].limit == 1) { |
Alexander Duyck | 1d9c0bf | 2012-05-05 05:32:21 +0000 | [diff] [blame] | 219 | adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED; |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 220 | adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED; |
Don Skidmore | 0f9b232 | 2014-11-18 09:35:08 +0000 | [diff] [blame] | 221 | rss = min_t(int, ixgbe_max_rss_indices(adapter), |
| 222 | num_online_cpus()); |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 223 | } else { |
| 224 | rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus()); |
| 225 | } |
Alexander Duyck | 1d9c0bf | 2012-05-05 05:32:21 +0000 | [diff] [blame] | 226 | |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 227 | adapter->ring_feature[RING_F_VMDQ].offset = 0; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 228 | adapter->ring_feature[RING_F_RSS].limit = rss; |
| 229 | |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 230 | /* take a breather then clean up driver data */ |
| 231 | msleep(100); |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 232 | return 0; |
| 233 | } |
| 234 | |
| 235 | static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs) |
| 236 | { |
| 237 | #ifdef CONFIG_PCI_IOV |
| 238 | struct ixgbe_adapter *adapter = pci_get_drvdata(dev); |
| 239 | int err = 0; |
| 240 | int i; |
| 241 | int pre_existing_vfs = pci_num_vf(dev); |
| 242 | |
| 243 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) |
| 244 | err = ixgbe_disable_sriov(adapter); |
| 245 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 246 | return num_vfs; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 247 | |
| 248 | if (err) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 249 | return err; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 250 | |
Jacob Keller | aac2f1b | 2014-08-21 06:17:59 +0000 | [diff] [blame] | 251 | /* While the SR-IOV capability structure reports total VFs to be 64, |
| 252 | * we have to limit the actual number allocated based on two factors. |
| 253 | * First, we reserve some transmit/receive resources for the PF. |
| 254 | * Second, VMDQ also uses the same pools that SR-IOV does. We need to |
| 255 | * account for this, so that we don't accidentally allocate more VFs |
| 256 | * than we have available pools. The PCI bus driver already checks for |
| 257 | * other values out of range. |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 258 | */ |
Jacob Keller | aac2f1b | 2014-08-21 06:17:59 +0000 | [diff] [blame] | 259 | if ((num_vfs + adapter->num_rx_pools) > IXGBE_MAX_VF_FUNCTIONS) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 260 | return -EPERM; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 261 | |
| 262 | adapter->num_vfs = num_vfs; |
| 263 | |
| 264 | err = __ixgbe_enable_sriov(adapter); |
| 265 | if (err) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 266 | return err; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 267 | |
| 268 | for (i = 0; i < adapter->num_vfs; i++) |
| 269 | ixgbe_vf_configuration(dev, (i | 0x10000000)); |
| 270 | |
| 271 | err = pci_enable_sriov(dev, num_vfs); |
| 272 | if (err) { |
| 273 | e_dev_warn("Failed to enable PCI sriov: %d\n", err); |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 274 | return err; |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 275 | } |
| 276 | ixgbe_sriov_reinit(adapter); |
| 277 | |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 278 | return num_vfs; |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 279 | #else |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 280 | return 0; |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 281 | #endif |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | static int ixgbe_pci_sriov_disable(struct pci_dev *dev) |
| 285 | { |
| 286 | struct ixgbe_adapter *adapter = pci_get_drvdata(dev); |
| 287 | int err; |
Don Skidmore | 8f48f5b | 2013-11-22 04:27:23 +0000 | [diff] [blame] | 288 | #ifdef CONFIG_PCI_IOV |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 289 | u32 current_flags = adapter->flags; |
Don Skidmore | 8f48f5b | 2013-11-22 04:27:23 +0000 | [diff] [blame] | 290 | #endif |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 291 | |
| 292 | err = ixgbe_disable_sriov(adapter); |
| 293 | |
| 294 | /* Only reinit if no error and state changed */ |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 295 | #ifdef CONFIG_PCI_IOV |
John Fastabend | 2a47fa4 | 2013-11-06 09:54:52 -0800 | [diff] [blame] | 296 | if (!err && current_flags != adapter->flags) |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 297 | ixgbe_sriov_reinit(adapter); |
| 298 | #endif |
Greg Rose | da36b64 | 2012-12-11 08:26:43 +0000 | [diff] [blame] | 299 | |
| 300 | return err; |
| 301 | } |
| 302 | |
| 303 | int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs) |
| 304 | { |
| 305 | if (num_vfs == 0) |
| 306 | return ixgbe_pci_sriov_disable(dev); |
| 307 | else |
| 308 | return ixgbe_pci_sriov_enable(dev, num_vfs); |
Greg Rose | c6bda30 | 2011-08-24 02:37:55 +0000 | [diff] [blame] | 309 | } |
| 310 | |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 311 | static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 312 | u32 *msgbuf, u32 vf) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 313 | { |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 314 | int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) |
| 315 | >> IXGBE_VT_MSGINFO_SHIFT; |
| 316 | u16 *hash_list = (u16 *)&msgbuf[1]; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 317 | struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; |
Greg Rose | 8a07a22 | 2010-05-05 19:57:30 +0000 | [diff] [blame] | 318 | struct ixgbe_hw *hw = &adapter->hw; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 319 | int i; |
Greg Rose | 8a07a22 | 2010-05-05 19:57:30 +0000 | [diff] [blame] | 320 | u32 vector_bit; |
| 321 | u32 vector_reg; |
| 322 | u32 mta_reg; |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 323 | u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 324 | |
| 325 | /* only so many hash values supported */ |
| 326 | entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES); |
| 327 | |
| 328 | /* |
| 329 | * salt away the number of multi cast addresses assigned |
| 330 | * to this VF for later use to restore when the PF multi cast |
| 331 | * list changes |
| 332 | */ |
| 333 | vfinfo->num_vf_mc_hashes = entries; |
| 334 | |
| 335 | /* |
| 336 | * VFs are limited to using the MTA hash table for their multicast |
| 337 | * addresses |
| 338 | */ |
| 339 | for (i = 0; i < entries; i++) { |
Joe Perches | e81a1ba | 2010-11-14 17:04:33 +0000 | [diff] [blame] | 340 | vfinfo->vf_mc_hashes[i] = hash_list[i]; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 341 | } |
| 342 | |
Greg Rose | 8a07a22 | 2010-05-05 19:57:30 +0000 | [diff] [blame] | 343 | for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) { |
| 344 | vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F; |
| 345 | vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F; |
| 346 | mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); |
| 347 | mta_reg |= (1 << vector_bit); |
| 348 | IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); |
| 349 | } |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 350 | vmolr |= IXGBE_VMOLR_ROMPE; |
| 351 | IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 352 | |
| 353 | return 0; |
| 354 | } |
| 355 | |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 356 | #ifdef CONFIG_PCI_IOV |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 357 | void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) |
| 358 | { |
| 359 | struct ixgbe_hw *hw = &adapter->hw; |
| 360 | struct vf_data_storage *vfinfo; |
| 361 | int i, j; |
| 362 | u32 vector_bit; |
| 363 | u32 vector_reg; |
| 364 | u32 mta_reg; |
| 365 | |
| 366 | for (i = 0; i < adapter->num_vfs; i++) { |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 367 | u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i)); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 368 | vfinfo = &adapter->vfinfo[i]; |
| 369 | for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) { |
| 370 | hw->addr_ctrl.mta_in_use++; |
| 371 | vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F; |
| 372 | vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F; |
| 373 | mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); |
| 374 | mta_reg |= (1 << vector_bit); |
| 375 | IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); |
| 376 | } |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 377 | |
| 378 | if (vfinfo->num_vf_mc_hashes) |
| 379 | vmolr |= IXGBE_VMOLR_ROMPE; |
| 380 | else |
| 381 | vmolr &= ~IXGBE_VMOLR_ROMPE; |
| 382 | IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 383 | } |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 384 | |
| 385 | /* Restore any VF macvlans */ |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 386 | ixgbe_full_sync_mac_table(adapter); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 387 | } |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 388 | #endif |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 389 | |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 390 | static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, |
| 391 | u32 vf) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 392 | { |
Alexander Duyck | b35d4d4 | 2012-05-23 05:39:25 +0000 | [diff] [blame] | 393 | /* VLAN 0 is a special case, don't allow it to be removed */ |
| 394 | if (!vid && !add) |
| 395 | return 0; |
| 396 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 397 | return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add); |
| 398 | } |
| 399 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 400 | static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 401 | { |
| 402 | struct ixgbe_hw *hw = &adapter->hw; |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 403 | int max_frame = msgbuf[1]; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 404 | u32 max_frs; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 405 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 406 | /* |
| 407 | * For 82599EB we have to keep all PFs and VFs operating with |
| 408 | * the same max_frame value in order to avoid sending an oversize |
| 409 | * frame to a VF. In order to guarantee this is handled correctly |
| 410 | * for all cases we have several special exceptions to take into |
| 411 | * account before we can enable the VF for receive |
| 412 | */ |
| 413 | if (adapter->hw.mac.type == ixgbe_mac_82599EB) { |
| 414 | struct net_device *dev = adapter->netdev; |
| 415 | int pf_max_frame = dev->mtu + ETH_HLEN; |
| 416 | u32 reg_offset, vf_shift, vfre; |
| 417 | s32 err = 0; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 418 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 419 | #ifdef CONFIG_FCOE |
| 420 | if (dev->features & NETIF_F_FCOE_MTU) |
| 421 | pf_max_frame = max_t(int, pf_max_frame, |
| 422 | IXGBE_FCOE_JUMBO_FRAME_SIZE); |
| 423 | |
| 424 | #endif /* CONFIG_FCOE */ |
Alexander Duyck | bffb3bc | 2012-07-20 08:09:37 +0000 | [diff] [blame] | 425 | switch (adapter->vfinfo[vf].vf_api) { |
| 426 | case ixgbe_mbox_api_11: |
| 427 | /* |
| 428 | * Version 1.1 supports jumbo frames on VFs if PF has |
| 429 | * jumbo frames enabled which means legacy VFs are |
| 430 | * disabled |
| 431 | */ |
| 432 | if (pf_max_frame > ETH_FRAME_LEN) |
| 433 | break; |
| 434 | default: |
| 435 | /* |
| 436 | * If the PF or VF are running w/ jumbo frames enabled |
| 437 | * we need to shut down the VF Rx path as we cannot |
| 438 | * support jumbo frames on legacy VFs |
| 439 | */ |
| 440 | if ((pf_max_frame > ETH_FRAME_LEN) || |
| 441 | (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN))) |
| 442 | err = -EINVAL; |
| 443 | break; |
| 444 | } |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 445 | |
| 446 | /* determine VF receive enable location */ |
| 447 | vf_shift = vf % 32; |
| 448 | reg_offset = vf / 32; |
| 449 | |
| 450 | /* enable or disable receive depending on error */ |
| 451 | vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); |
| 452 | if (err) |
| 453 | vfre &= ~(1 << vf_shift); |
| 454 | else |
| 455 | vfre |= 1 << vf_shift; |
| 456 | IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre); |
| 457 | |
| 458 | if (err) { |
| 459 | e_err(drv, "VF max_frame %d out of range\n", max_frame); |
| 460 | return err; |
| 461 | } |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 462 | } |
| 463 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 464 | /* MTU < 68 is an error and causes problems on some kernels */ |
| 465 | if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) { |
| 466 | e_err(drv, "VF max_frame %d out of range\n", max_frame); |
| 467 | return -EINVAL; |
| 468 | } |
| 469 | |
| 470 | /* pull current max frame size from hardware */ |
| 471 | max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS); |
| 472 | max_frs &= IXGBE_MHADD_MFS_MASK; |
| 473 | max_frs >>= IXGBE_MHADD_MFS_SHIFT; |
| 474 | |
| 475 | if (max_frs < max_frame) { |
| 476 | max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 477 | IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs); |
| 478 | } |
| 479 | |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 480 | e_info(hw, "VF requests change max MTU to %d\n", max_frame); |
| 481 | |
| 482 | return 0; |
Greg Rose | e9f9807 | 2011-01-26 01:06:07 +0000 | [diff] [blame] | 483 | } |
| 484 | |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 485 | static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 486 | { |
| 487 | u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); |
Jacob Keller | b335e75 | 2014-03-25 07:45:27 +0000 | [diff] [blame] | 488 | vmolr |= IXGBE_VMOLR_BAM; |
Greg Rose | f041277 | 2010-05-04 22:11:46 +0000 | [diff] [blame] | 489 | if (aupe) |
| 490 | vmolr |= IXGBE_VMOLR_AUPE; |
| 491 | else |
| 492 | vmolr &= ~IXGBE_VMOLR_AUPE; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 493 | IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); |
| 494 | } |
| 495 | |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 496 | static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf) |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 497 | { |
| 498 | struct ixgbe_hw *hw = &adapter->hw; |
| 499 | |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 500 | IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0); |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 501 | } |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 502 | static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 503 | { |
| 504 | struct ixgbe_hw *hw = &adapter->hw; |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 505 | struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 506 | u8 num_tcs = netdev_get_num_tc(adapter->netdev); |
| 507 | |
| 508 | /* add PF assigned VLAN or VLAN 0 */ |
| 509 | ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 510 | |
| 511 | /* reset offloads to defaults */ |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 512 | ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan); |
| 513 | |
| 514 | /* set outgoing tags for VFs */ |
| 515 | if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) { |
| 516 | ixgbe_clear_vmvir(adapter, vf); |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 517 | } else { |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 518 | if (vfinfo->pf_qos || !num_tcs) |
| 519 | ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, |
| 520 | vfinfo->pf_qos, vf); |
| 521 | else |
| 522 | ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, |
| 523 | adapter->default_up, vf); |
| 524 | |
| 525 | if (vfinfo->spoofchk_enabled) |
| 526 | hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 527 | } |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 528 | |
| 529 | /* reset multicast table array for vf */ |
| 530 | adapter->vfinfo[vf].num_vf_mc_hashes = 0; |
| 531 | |
| 532 | /* Flush and reset the mta with the new values */ |
| 533 | ixgbe_set_rx_mode(adapter->netdev); |
| 534 | |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 535 | ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 536 | |
| 537 | /* reset VF api back to unknown */ |
| 538 | adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 539 | } |
| 540 | |
Emil Tantilov | 5d5b7c3 | 2010-10-12 22:20:59 +0000 | [diff] [blame] | 541 | static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, |
| 542 | int vf, unsigned char *mac_addr) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 543 | { |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 544 | ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); |
Joe Perches | d458cdf | 2013-10-01 19:04:40 -0700 | [diff] [blame] | 545 | memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, ETH_ALEN); |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 546 | ixgbe_add_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 547 | |
| 548 | return 0; |
| 549 | } |
| 550 | |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 551 | static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, |
| 552 | int vf, int index, unsigned char *mac_addr) |
| 553 | { |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 554 | struct list_head *pos; |
| 555 | struct vf_macvlans *entry; |
| 556 | |
| 557 | if (index <= 1) { |
| 558 | list_for_each(pos, &adapter->vf_mvs.l) { |
| 559 | entry = list_entry(pos, struct vf_macvlans, l); |
| 560 | if (entry->vf == vf) { |
| 561 | entry->vf = -1; |
| 562 | entry->free = true; |
| 563 | entry->is_macvlan = false; |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 564 | ixgbe_del_mac_filter(adapter, |
| 565 | entry->vf_macvlan, vf); |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 566 | } |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | /* |
| 571 | * If index was zero then we were asked to clear the uc list |
| 572 | * for the VF. We're done. |
| 573 | */ |
| 574 | if (!index) |
| 575 | return 0; |
| 576 | |
| 577 | entry = NULL; |
| 578 | |
| 579 | list_for_each(pos, &adapter->vf_mvs.l) { |
| 580 | entry = list_entry(pos, struct vf_macvlans, l); |
| 581 | if (entry->free) |
| 582 | break; |
| 583 | } |
| 584 | |
| 585 | /* |
| 586 | * If we traversed the entire list and didn't find a free entry |
| 587 | * then we're out of space on the RAR table. Also entry may |
| 588 | * be NULL because the original memory allocation for the list |
| 589 | * failed, which is not fatal but does mean we can't support |
| 590 | * VF requests for MACVLAN because we couldn't allocate |
| 591 | * memory for the list management required. |
| 592 | */ |
| 593 | if (!entry || !entry->free) |
| 594 | return -ENOSPC; |
| 595 | |
| 596 | entry->free = false; |
| 597 | entry->is_macvlan = true; |
| 598 | entry->vf = vf; |
| 599 | memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN); |
| 600 | |
Jacob Keller | 5d7daa3 | 2014-03-29 06:51:25 +0000 | [diff] [blame] | 601 | ixgbe_add_mac_filter(adapter, mac_addr, vf); |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 602 | |
| 603 | return 0; |
| 604 | } |
| 605 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 606 | int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) |
| 607 | { |
Alexander Duyck | c60fbb0 | 2010-11-16 19:26:54 -0800 | [diff] [blame] | 608 | struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 609 | unsigned int vfn = (event_mask & 0x3f); |
| 610 | |
| 611 | bool enable = ((event_mask & 0x10000000U) != 0); |
| 612 | |
Joe Perches | d458cdf | 2013-10-01 19:04:40 -0700 | [diff] [blame] | 613 | if (enable) |
| 614 | eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 615 | |
| 616 | return 0; |
| 617 | } |
| 618 | |
Don Skidmore | 8d697e7 | 2014-11-05 04:52:09 +0000 | [diff] [blame] | 619 | static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf, |
| 620 | u32 qde) |
| 621 | { |
| 622 | struct ixgbe_hw *hw = &adapter->hw; |
| 623 | struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; |
| 624 | u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); |
| 625 | int i; |
| 626 | |
| 627 | for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) { |
| 628 | u32 reg; |
| 629 | |
| 630 | /* flush previous write */ |
| 631 | IXGBE_WRITE_FLUSH(hw); |
| 632 | |
| 633 | /* indicate to hardware that we want to set drop enable */ |
| 634 | reg = IXGBE_QDE_WRITE | IXGBE_QDE_ENABLE; |
| 635 | reg |= i << IXGBE_QDE_IDX_SHIFT; |
| 636 | IXGBE_WRITE_REG(hw, IXGBE_QDE, reg); |
| 637 | } |
| 638 | } |
| 639 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 640 | static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 641 | { |
Alexander Duyck | 8739737 | 2014-01-15 17:38:40 -0800 | [diff] [blame] | 642 | struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 643 | struct ixgbe_hw *hw = &adapter->hw; |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 644 | unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses; |
Emil Tantilov | b08e1ed | 2013-07-26 07:34:54 +0000 | [diff] [blame] | 645 | u32 reg, reg_offset, vf_shift; |
| 646 | u32 msgbuf[4] = {0, 0, 0, 0}; |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 647 | u8 *addr = (u8 *)(&msgbuf[1]); |
Alexander Duyck | 8739737 | 2014-01-15 17:38:40 -0800 | [diff] [blame] | 648 | u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); |
| 649 | int i; |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 650 | |
| 651 | e_info(probe, "VF Reset msg received from vf %d\n", vf); |
| 652 | |
| 653 | /* reset the filters for the device */ |
| 654 | ixgbe_vf_reset_event(adapter, vf); |
| 655 | |
| 656 | /* set vf mac address */ |
Greg Rose | 3505592 | 2013-02-15 05:20:09 +0000 | [diff] [blame] | 657 | if (!is_zero_ether_addr(vf_mac)) |
| 658 | ixgbe_set_vf_mac(adapter, vf, vf_mac); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 659 | |
| 660 | vf_shift = vf % 32; |
| 661 | reg_offset = vf / 32; |
| 662 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 663 | /* enable transmit for vf */ |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 664 | reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 665 | reg |= 1 << vf_shift; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 666 | IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg); |
| 667 | |
Alexander Duyck | 8739737 | 2014-01-15 17:38:40 -0800 | [diff] [blame] | 668 | /* force drop enable for all VF Rx queues */ |
Don Skidmore | 8d697e7 | 2014-11-05 04:52:09 +0000 | [diff] [blame] | 669 | ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE); |
Alexander Duyck | 8739737 | 2014-01-15 17:38:40 -0800 | [diff] [blame] | 670 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 671 | /* enable receive for vf */ |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 672 | reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 673 | reg |= 1 << vf_shift; |
| 674 | /* |
| 675 | * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs. |
| 676 | * For more info take a look at ixgbe_set_vf_lpe |
| 677 | */ |
| 678 | if (adapter->hw.mac.type == ixgbe_mac_82599EB) { |
| 679 | struct net_device *dev = adapter->netdev; |
| 680 | int pf_max_frame = dev->mtu + ETH_HLEN; |
| 681 | |
| 682 | #ifdef CONFIG_FCOE |
| 683 | if (dev->features & NETIF_F_FCOE_MTU) |
| 684 | pf_max_frame = max_t(int, pf_max_frame, |
| 685 | IXGBE_FCOE_JUMBO_FRAME_SIZE); |
| 686 | |
| 687 | #endif /* CONFIG_FCOE */ |
| 688 | if (pf_max_frame > ETH_FRAME_LEN) |
| 689 | reg &= ~(1 << vf_shift); |
| 690 | } |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 691 | IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg); |
| 692 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 693 | /* enable VF mailbox for further messages */ |
| 694 | adapter->vfinfo[vf].clear_to_send = true; |
| 695 | |
Greg Rose | a985b6c3 | 2010-11-18 03:02:52 +0000 | [diff] [blame] | 696 | /* Enable counting of spoofed packets in the SSVPC register */ |
| 697 | reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset)); |
| 698 | reg |= (1 << vf_shift); |
| 699 | IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg); |
| 700 | |
Alexander Duyck | dbf231a | 2014-01-15 17:38:41 -0800 | [diff] [blame] | 701 | /* |
| 702 | * Reset the VFs TDWBAL and TDWBAH registers |
| 703 | * which are not cleared by an FLR |
| 704 | */ |
| 705 | for (i = 0; i < q_per_pool; i++) { |
| 706 | IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0); |
| 707 | IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0); |
| 708 | } |
| 709 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 710 | /* reply to reset with ack and vf mac address */ |
Greg Rose | 3505592 | 2013-02-15 05:20:09 +0000 | [diff] [blame] | 711 | msgbuf[0] = IXGBE_VF_RESET; |
| 712 | if (!is_zero_ether_addr(vf_mac)) { |
| 713 | msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; |
| 714 | memcpy(addr, vf_mac, ETH_ALEN); |
| 715 | } else { |
| 716 | msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; |
| 717 | dev_warn(&adapter->pdev->dev, |
| 718 | "VF %d has no MAC address assigned, you may have to assign one manually\n", |
| 719 | vf); |
| 720 | } |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 721 | |
| 722 | /* |
| 723 | * Piggyback the multicast filter type so VF can compute the |
| 724 | * correct vectors |
| 725 | */ |
| 726 | msgbuf[3] = hw->mac.mc_filter_type; |
| 727 | ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf); |
| 728 | |
| 729 | return 0; |
| 730 | } |
| 731 | |
| 732 | static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter, |
| 733 | u32 *msgbuf, u32 vf) |
| 734 | { |
| 735 | u8 *new_mac = ((u8 *)(&msgbuf[1])); |
| 736 | |
| 737 | if (!is_valid_ether_addr(new_mac)) { |
| 738 | e_warn(drv, "VF %d attempted to set invalid mac\n", vf); |
| 739 | return -1; |
| 740 | } |
| 741 | |
| 742 | if (adapter->vfinfo[vf].pf_set_mac && |
dingtianhong | 4012dda | 2013-12-30 15:40:50 +0800 | [diff] [blame] | 743 | !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) { |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 744 | e_warn(drv, |
| 745 | "VF %d attempted to override administratively set MAC address\n" |
| 746 | "Reload the VF driver to resume operations\n", |
| 747 | vf); |
| 748 | return -1; |
| 749 | } |
| 750 | |
Greg Rose | 3970c32 | 2012-09-25 02:25:30 +0000 | [diff] [blame] | 751 | return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0; |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 752 | } |
| 753 | |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 754 | static int ixgbe_find_vlvf_entry(struct ixgbe_hw *hw, u32 vlan) |
| 755 | { |
| 756 | u32 vlvf; |
| 757 | s32 regindex; |
| 758 | |
| 759 | /* short cut the special case */ |
| 760 | if (vlan == 0) |
| 761 | return 0; |
| 762 | |
| 763 | /* Search for the vlan id in the VLVF entries */ |
| 764 | for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) { |
| 765 | vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex)); |
| 766 | if ((vlvf & VLAN_VID_MASK) == vlan) |
| 767 | break; |
| 768 | } |
| 769 | |
| 770 | /* Return a negative value if not found */ |
| 771 | if (regindex >= IXGBE_VLVF_ENTRIES) |
| 772 | regindex = -1; |
| 773 | |
| 774 | return regindex; |
| 775 | } |
| 776 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 777 | static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, |
| 778 | u32 *msgbuf, u32 vf) |
| 779 | { |
| 780 | struct ixgbe_hw *hw = &adapter->hw; |
| 781 | int add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT; |
| 782 | int vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); |
| 783 | int err; |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 784 | s32 reg_ndx; |
| 785 | u32 vlvf; |
| 786 | u32 bits; |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 787 | u8 tcs = netdev_get_num_tc(adapter->netdev); |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 788 | |
Alexander Duyck | 107d301 | 2012-10-02 00:17:03 +0000 | [diff] [blame] | 789 | if (adapter->vfinfo[vf].pf_vlan || tcs) { |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 790 | e_warn(drv, |
| 791 | "VF %d attempted to override administratively set VLAN configuration\n" |
| 792 | "Reload the VF driver to resume operations\n", |
| 793 | vf); |
| 794 | return -1; |
| 795 | } |
| 796 | |
| 797 | if (add) |
| 798 | adapter->vfinfo[vf].vlan_count++; |
| 799 | else if (adapter->vfinfo[vf].vlan_count) |
| 800 | adapter->vfinfo[vf].vlan_count--; |
| 801 | |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 802 | /* in case of promiscuous mode any VLAN filter set for a VF must |
| 803 | * also have the PF pool added to it. |
| 804 | */ |
| 805 | if (add && adapter->netdev->flags & IFF_PROMISC) |
| 806 | err = ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0)); |
| 807 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 808 | err = ixgbe_set_vf_vlan(adapter, add, vid, vf); |
| 809 | if (!err && adapter->vfinfo[vf].spoofchk_enabled) |
| 810 | hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); |
| 811 | |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 812 | /* Go through all the checks to see if the VLAN filter should |
| 813 | * be wiped completely. |
| 814 | */ |
| 815 | if (!add && adapter->netdev->flags & IFF_PROMISC) { |
| 816 | reg_ndx = ixgbe_find_vlvf_entry(hw, vid); |
| 817 | if (reg_ndx < 0) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 818 | return err; |
Greg Rose | 670224f | 2013-02-22 02:14:39 +0000 | [diff] [blame] | 819 | vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(reg_ndx)); |
| 820 | /* See if any other pools are set for this VLAN filter |
| 821 | * entry other than the PF. |
| 822 | */ |
| 823 | if (VMDQ_P(0) < 32) { |
| 824 | bits = IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2)); |
| 825 | bits &= ~(1 << VMDQ_P(0)); |
| 826 | bits |= IXGBE_READ_REG(hw, |
| 827 | IXGBE_VLVFB(reg_ndx * 2) + 1); |
| 828 | } else { |
| 829 | bits = IXGBE_READ_REG(hw, |
| 830 | IXGBE_VLVFB(reg_ndx * 2) + 1); |
| 831 | bits &= ~(1 << (VMDQ_P(0) - 32)); |
| 832 | bits |= IXGBE_READ_REG(hw, IXGBE_VLVFB(reg_ndx * 2)); |
| 833 | } |
| 834 | |
| 835 | /* If the filter was removed then ensure PF pool bit |
| 836 | * is cleared if the PF only added itself to the pool |
| 837 | * because the PF is in promiscuous mode. |
| 838 | */ |
| 839 | if ((vlvf & VLAN_VID_MASK) == vid && |
| 840 | !test_bit(vid, adapter->active_vlans) && !bits) |
| 841 | ixgbe_set_vf_vlan(adapter, add, vid, VMDQ_P(0)); |
| 842 | } |
| 843 | |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 844 | return err; |
| 845 | } |
| 846 | |
| 847 | static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, |
| 848 | u32 *msgbuf, u32 vf) |
| 849 | { |
| 850 | u8 *new_mac = ((u8 *)(&msgbuf[1])); |
| 851 | int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> |
| 852 | IXGBE_VT_MSGINFO_SHIFT; |
| 853 | int err; |
| 854 | |
| 855 | if (adapter->vfinfo[vf].pf_set_mac && index > 0) { |
| 856 | e_warn(drv, |
| 857 | "VF %d requested MACVLAN filter but is administratively denied\n", |
| 858 | vf); |
| 859 | return -1; |
| 860 | } |
| 861 | |
| 862 | /* An non-zero index indicates the VF is setting a filter */ |
| 863 | if (index) { |
| 864 | if (!is_valid_ether_addr(new_mac)) { |
| 865 | e_warn(drv, "VF %d attempted to set invalid mac\n", vf); |
| 866 | return -1; |
| 867 | } |
| 868 | |
| 869 | /* |
| 870 | * If the VF is allowed to set MAC filters then turn off |
| 871 | * anti-spoofing to avoid false positives. |
| 872 | */ |
| 873 | if (adapter->vfinfo[vf].spoofchk_enabled) |
| 874 | ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false); |
| 875 | } |
| 876 | |
| 877 | err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac); |
| 878 | if (err == -ENOSPC) |
| 879 | e_warn(drv, |
| 880 | "VF %d has requested a MACVLAN filter but there is no space for it\n", |
| 881 | vf); |
Greg Rose | a301340 | 2012-10-30 00:40:02 +0000 | [diff] [blame] | 882 | |
| 883 | return err < 0; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 884 | } |
| 885 | |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 886 | static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter, |
| 887 | u32 *msgbuf, u32 vf) |
| 888 | { |
| 889 | int api = msgbuf[1]; |
| 890 | |
| 891 | switch (api) { |
| 892 | case ixgbe_mbox_api_10: |
Alexander Duyck | bffb3bc | 2012-07-20 08:09:37 +0000 | [diff] [blame] | 893 | case ixgbe_mbox_api_11: |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 894 | adapter->vfinfo[vf].vf_api = api; |
| 895 | return 0; |
| 896 | default: |
| 897 | break; |
| 898 | } |
| 899 | |
| 900 | e_info(drv, "VF %d requested invalid api version %u\n", vf, api); |
| 901 | |
| 902 | return -1; |
| 903 | } |
| 904 | |
Alexander Duyck | f591cd9 | 2012-07-20 08:09:32 +0000 | [diff] [blame] | 905 | static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter, |
| 906 | u32 *msgbuf, u32 vf) |
| 907 | { |
| 908 | struct net_device *dev = adapter->netdev; |
| 909 | struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; |
| 910 | unsigned int default_tc = 0; |
| 911 | u8 num_tcs = netdev_get_num_tc(dev); |
| 912 | |
| 913 | /* verify the PF is supporting the correct APIs */ |
| 914 | switch (adapter->vfinfo[vf].vf_api) { |
| 915 | case ixgbe_mbox_api_20: |
| 916 | case ixgbe_mbox_api_11: |
| 917 | break; |
| 918 | default: |
| 919 | return -1; |
| 920 | } |
| 921 | |
| 922 | /* only allow 1 Tx queue for bandwidth limiting */ |
| 923 | msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); |
| 924 | msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); |
| 925 | |
| 926 | /* if TCs > 1 determine which TC belongs to default user priority */ |
| 927 | if (num_tcs > 1) |
| 928 | default_tc = netdev_get_prio_tc_map(dev, adapter->default_up); |
| 929 | |
| 930 | /* notify VF of need for VLAN tag stripping, and correct queue */ |
| 931 | if (num_tcs) |
| 932 | msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs; |
| 933 | else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos) |
| 934 | msgbuf[IXGBE_VF_TRANS_VLAN] = 1; |
| 935 | else |
| 936 | msgbuf[IXGBE_VF_TRANS_VLAN] = 0; |
| 937 | |
| 938 | /* notify VF of default queue */ |
| 939 | msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc; |
| 940 | |
| 941 | return 0; |
| 942 | } |
| 943 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 944 | static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) |
| 945 | { |
| 946 | u32 mbx_size = IXGBE_VFMAILBOX_SIZE; |
Emil Tantilov | c050999 | 2011-05-07 06:49:18 +0000 | [diff] [blame] | 947 | u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 948 | struct ixgbe_hw *hw = &adapter->hw; |
| 949 | s32 retval; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 950 | |
| 951 | retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); |
| 952 | |
Alexander Duyck | dcaccc8 | 2012-03-28 08:03:38 +0000 | [diff] [blame] | 953 | if (retval) { |
Emil Tantilov | 849c454 | 2010-06-03 16:53:41 +0000 | [diff] [blame] | 954 | pr_err("Error receiving message from VF\n"); |
Alexander Duyck | dcaccc8 | 2012-03-28 08:03:38 +0000 | [diff] [blame] | 955 | return retval; |
| 956 | } |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 957 | |
| 958 | /* this is a message we already processed, do nothing */ |
| 959 | if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK)) |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 960 | return 0; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 961 | |
Alexander Duyck | dcaccc8 | 2012-03-28 08:03:38 +0000 | [diff] [blame] | 962 | /* flush the ack before we write any messages back */ |
| 963 | IXGBE_WRITE_FLUSH(hw); |
| 964 | |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 965 | if (msgbuf[0] == IXGBE_VF_RESET) |
| 966 | return ixgbe_vf_reset_msg(adapter, vf); |
| 967 | |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 968 | /* |
| 969 | * until the vf completes a virtual function reset it should not be |
| 970 | * allowed to start any configuration. |
| 971 | */ |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 972 | if (!adapter->vfinfo[vf].clear_to_send) { |
| 973 | msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; |
| 974 | ixgbe_write_mbx(hw, msgbuf, 1, vf); |
Mark Rustad | e90dd26 | 2014-07-22 06:51:08 +0000 | [diff] [blame] | 975 | return 0; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 976 | } |
| 977 | |
| 978 | switch ((msgbuf[0] & 0xFFFF)) { |
| 979 | case IXGBE_VF_SET_MAC_ADDR: |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 980 | retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 981 | break; |
| 982 | case IXGBE_VF_SET_MULTICAST: |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 983 | retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf); |
| 984 | break; |
| 985 | case IXGBE_VF_SET_VLAN: |
| 986 | retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 987 | break; |
| 988 | case IXGBE_VF_SET_LPE: |
Alexander Duyck | 872844d | 2012-08-15 02:10:43 +0000 | [diff] [blame] | 989 | retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 990 | break; |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 991 | case IXGBE_VF_SET_MACVLAN: |
Alexander Duyck | 58a02be | 2012-07-20 08:09:17 +0000 | [diff] [blame] | 992 | retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf); |
Greg Rose | a1cbb15c | 2011-05-13 01:33:48 +0000 | [diff] [blame] | 993 | break; |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 994 | case IXGBE_VF_API_NEGOTIATE: |
| 995 | retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf); |
| 996 | break; |
Alexander Duyck | f591cd9 | 2012-07-20 08:09:32 +0000 | [diff] [blame] | 997 | case IXGBE_VF_GET_QUEUES: |
| 998 | retval = ixgbe_get_vf_queues(adapter, msgbuf, vf); |
| 999 | break; |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1000 | default: |
Emil Tantilov | 396e799 | 2010-07-01 20:05:12 +0000 | [diff] [blame] | 1001 | e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1002 | retval = IXGBE_ERR_MBX; |
| 1003 | break; |
| 1004 | } |
| 1005 | |
| 1006 | /* notify the VF of the results of what it sent us */ |
| 1007 | if (retval) |
| 1008 | msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; |
| 1009 | else |
| 1010 | msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; |
| 1011 | |
| 1012 | msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS; |
| 1013 | |
Alexander Duyck | 374c65d | 2012-07-20 08:09:22 +0000 | [diff] [blame] | 1014 | ixgbe_write_mbx(hw, msgbuf, mbx_size, vf); |
Greg Rose | 1736727 | 2010-01-09 02:25:48 +0000 | [diff] [blame] | 1015 | |
| 1016 | return retval; |
| 1017 | } |
| 1018 | |
| 1019 | static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf) |
| 1020 | { |
| 1021 | struct ixgbe_hw *hw = &adapter->hw; |
| 1022 | u32 msg = IXGBE_VT_MSGTYPE_NACK; |
| 1023 | |
| 1024 | /* if device isn't clear to send it shouldn't be reading either */ |
| 1025 | if (!adapter->vfinfo[vf].clear_to_send) |
| 1026 | ixgbe_write_mbx(hw, &msg, 1, vf); |
| 1027 | } |
| 1028 | |
| 1029 | void ixgbe_msg_task(struct ixgbe_adapter *adapter) |
| 1030 | { |
| 1031 | struct ixgbe_hw *hw = &adapter->hw; |
| 1032 | u32 vf; |
| 1033 | |
| 1034 | for (vf = 0; vf < adapter->num_vfs; vf++) { |
| 1035 | /* process any reset requests */ |
| 1036 | if (!ixgbe_check_for_rst(hw, vf)) |
| 1037 | ixgbe_vf_reset_event(adapter, vf); |
| 1038 | |
| 1039 | /* process any messages pending */ |
| 1040 | if (!ixgbe_check_for_msg(hw, vf)) |
| 1041 | ixgbe_rcv_msg_from_vf(adapter, vf); |
| 1042 | |
| 1043 | /* process any acks */ |
| 1044 | if (!ixgbe_check_for_ack(hw, vf)) |
| 1045 | ixgbe_rcv_ack_from_vf(adapter, vf); |
| 1046 | } |
| 1047 | } |
| 1048 | |
Greg Rose | 767081a | 2010-01-22 22:46:40 +0000 | [diff] [blame] | 1049 | void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter) |
| 1050 | { |
| 1051 | struct ixgbe_hw *hw = &adapter->hw; |
| 1052 | |
| 1053 | /* disable transmit and receive for all vfs */ |
| 1054 | IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0); |
| 1055 | IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0); |
| 1056 | |
| 1057 | IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0); |
| 1058 | IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0); |
| 1059 | } |
| 1060 | |
| 1061 | void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter) |
| 1062 | { |
| 1063 | struct ixgbe_hw *hw = &adapter->hw; |
| 1064 | u32 ping; |
| 1065 | int i; |
| 1066 | |
| 1067 | for (i = 0 ; i < adapter->num_vfs; i++) { |
| 1068 | ping = IXGBE_PF_CONTROL_MSG; |
| 1069 | if (adapter->vfinfo[i].clear_to_send) |
| 1070 | ping |= IXGBE_VT_MSGTYPE_CTS; |
| 1071 | ixgbe_write_mbx(hw, &ping, 1, i); |
| 1072 | } |
| 1073 | } |
| 1074 | |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1075 | int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
| 1076 | { |
| 1077 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1078 | if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs)) |
| 1079 | return -EINVAL; |
| 1080 | adapter->vfinfo[vf].pf_set_mac = true; |
| 1081 | dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf); |
| 1082 | dev_info(&adapter->pdev->dev, "Reload the VF driver to make this" |
| 1083 | " change effective."); |
| 1084 | if (test_bit(__IXGBE_DOWN, &adapter->state)) { |
| 1085 | dev_warn(&adapter->pdev->dev, "The VF MAC address has been set," |
| 1086 | " but the PF device is not up.\n"); |
| 1087 | dev_warn(&adapter->pdev->dev, "Bring the PF device up before" |
| 1088 | " attempting to use the VF device.\n"); |
| 1089 | } |
| 1090 | return ixgbe_set_vf_mac(adapter, vf, mac); |
| 1091 | } |
| 1092 | |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1093 | static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf, |
| 1094 | u16 vlan, u8 qos) |
| 1095 | { |
| 1096 | struct ixgbe_hw *hw = &adapter->hw; |
Emil Tantilov | 42ce2c8 | 2014-12-10 05:28:51 +0000 | [diff] [blame] | 1097 | int err; |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1098 | |
Emil Tantilov | 42ce2c8 | 2014-12-10 05:28:51 +0000 | [diff] [blame] | 1099 | err = ixgbe_set_vf_vlan(adapter, true, vlan, vf); |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1100 | if (err) |
| 1101 | goto out; |
Emil Tantilov | 42ce2c8 | 2014-12-10 05:28:51 +0000 | [diff] [blame] | 1102 | |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1103 | ixgbe_set_vmvir(adapter, vlan, qos, vf); |
| 1104 | ixgbe_set_vmolr(hw, vf, false); |
| 1105 | if (adapter->vfinfo[vf].spoofchk_enabled) |
| 1106 | hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); |
| 1107 | adapter->vfinfo[vf].vlan_count++; |
Don Skidmore | 9a75a1a | 2014-11-07 03:53:35 +0000 | [diff] [blame] | 1108 | |
| 1109 | /* enable hide vlan on X550 */ |
| 1110 | if (hw->mac.type >= ixgbe_mac_X550) |
| 1111 | ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE | |
| 1112 | IXGBE_QDE_HIDE_VLAN); |
| 1113 | |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1114 | adapter->vfinfo[vf].pf_vlan = vlan; |
| 1115 | adapter->vfinfo[vf].pf_qos = qos; |
| 1116 | dev_info(&adapter->pdev->dev, |
| 1117 | "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf); |
| 1118 | if (test_bit(__IXGBE_DOWN, &adapter->state)) { |
| 1119 | dev_warn(&adapter->pdev->dev, |
| 1120 | "The VF VLAN has been set, but the PF device is not up.\n"); |
| 1121 | dev_warn(&adapter->pdev->dev, |
| 1122 | "Bring the PF device up before attempting to use the VF device.\n"); |
| 1123 | } |
| 1124 | |
| 1125 | out: |
| 1126 | return err; |
| 1127 | } |
| 1128 | |
| 1129 | static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf) |
| 1130 | { |
| 1131 | struct ixgbe_hw *hw = &adapter->hw; |
| 1132 | int err; |
| 1133 | |
| 1134 | err = ixgbe_set_vf_vlan(adapter, false, |
| 1135 | adapter->vfinfo[vf].pf_vlan, vf); |
| 1136 | ixgbe_clear_vmvir(adapter, vf); |
| 1137 | ixgbe_set_vmolr(hw, vf, true); |
| 1138 | hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf); |
| 1139 | if (adapter->vfinfo[vf].vlan_count) |
| 1140 | adapter->vfinfo[vf].vlan_count--; |
Emil Tantilov | 42ce2c8 | 2014-12-10 05:28:51 +0000 | [diff] [blame] | 1141 | |
| 1142 | /* disable hide VLAN on X550 */ |
| 1143 | if (hw->mac.type >= ixgbe_mac_X550) |
| 1144 | ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE); |
| 1145 | |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1146 | adapter->vfinfo[vf].pf_vlan = 0; |
| 1147 | adapter->vfinfo[vf].pf_qos = 0; |
| 1148 | |
| 1149 | return err; |
| 1150 | } |
| 1151 | |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1152 | int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) |
| 1153 | { |
| 1154 | int err = 0; |
| 1155 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1156 | |
| 1157 | if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7)) |
| 1158 | return -EINVAL; |
| 1159 | if (vlan || qos) { |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1160 | /* Check if there is already a port VLAN set, if so |
| 1161 | * we have to delete the old one first before we |
| 1162 | * can set the new one. The usage model had |
| 1163 | * previously assumed the user would delete the |
| 1164 | * old port VLAN before setting a new one but this |
| 1165 | * is not necessarily the case. |
| 1166 | */ |
Greg Rose | 026ac67 | 2013-04-17 20:41:35 +0000 | [diff] [blame] | 1167 | if (adapter->vfinfo[vf].pf_vlan) |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1168 | err = ixgbe_disable_port_vlan(adapter, vf); |
Greg Rose | 026ac67 | 2013-04-17 20:41:35 +0000 | [diff] [blame] | 1169 | if (err) |
| 1170 | goto out; |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1171 | err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos); |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1172 | } else { |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1173 | err = ixgbe_disable_port_vlan(adapter, vf); |
Jacob Keller | e7cf745 | 2014-04-09 06:03:10 +0000 | [diff] [blame] | 1174 | } |
Don Skidmore | 2b509c0 | 2014-11-01 01:06:57 +0000 | [diff] [blame] | 1175 | |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1176 | out: |
Jacob Keller | e7cf745 | 2014-04-09 06:03:10 +0000 | [diff] [blame] | 1177 | return err; |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1178 | } |
| 1179 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1180 | static int ixgbe_link_mbps(struct ixgbe_adapter *adapter) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1181 | { |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1182 | switch (adapter->link_speed) { |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1183 | case IXGBE_LINK_SPEED_100_FULL: |
| 1184 | return 100; |
| 1185 | case IXGBE_LINK_SPEED_1GB_FULL: |
| 1186 | return 1000; |
| 1187 | case IXGBE_LINK_SPEED_10GB_FULL: |
| 1188 | return 10000; |
| 1189 | default: |
| 1190 | return 0; |
| 1191 | } |
| 1192 | } |
| 1193 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1194 | static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1195 | { |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1196 | struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; |
| 1197 | struct ixgbe_hw *hw = &adapter->hw; |
| 1198 | u32 bcnrc_val = 0; |
| 1199 | u16 queue, queues_per_pool; |
| 1200 | u16 tx_rate = adapter->vfinfo[vf].tx_rate; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1201 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1202 | if (tx_rate) { |
| 1203 | /* start with base link speed value */ |
| 1204 | bcnrc_val = adapter->vf_rate_link_speed; |
| 1205 | |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1206 | /* Calculate the rate factor values to set */ |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1207 | bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT; |
| 1208 | bcnrc_val /= tx_rate; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1209 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1210 | /* clear everything but the rate factor */ |
| 1211 | bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK | |
| 1212 | IXGBE_RTTBCNRC_RF_DEC_MASK; |
| 1213 | |
| 1214 | /* enable the rate scheduler */ |
| 1215 | bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1216 | } |
| 1217 | |
Lior Levy | 7555e83 | 2011-06-25 00:09:08 -0700 | [diff] [blame] | 1218 | /* |
| 1219 | * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM |
| 1220 | * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported |
| 1221 | * and 0x004 otherwise. |
| 1222 | */ |
| 1223 | switch (hw->mac.type) { |
| 1224 | case ixgbe_mac_82599EB: |
| 1225 | IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4); |
| 1226 | break; |
| 1227 | case ixgbe_mac_X540: |
| 1228 | IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14); |
| 1229 | break; |
| 1230 | default: |
| 1231 | break; |
| 1232 | } |
| 1233 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1234 | /* determine how many queues per pool based on VMDq mask */ |
| 1235 | queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask); |
| 1236 | |
| 1237 | /* write value for all Tx queues belonging to VF */ |
| 1238 | for (queue = 0; queue < queues_per_pool; queue++) { |
| 1239 | unsigned int reg_idx = (vf * queues_per_pool) + queue; |
| 1240 | |
| 1241 | IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx); |
| 1242 | IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val); |
| 1243 | } |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1244 | } |
| 1245 | |
| 1246 | void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter) |
| 1247 | { |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1248 | int i; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1249 | |
| 1250 | /* VF Tx rate limit was not set */ |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1251 | if (!adapter->vf_rate_link_speed) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1252 | return; |
| 1253 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1254 | if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) { |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1255 | adapter->vf_rate_link_speed = 0; |
| 1256 | dev_info(&adapter->pdev->dev, |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1257 | "Link speed has been changed. VF Transmit rate is disabled\n"); |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1258 | } |
| 1259 | |
| 1260 | for (i = 0; i < adapter->num_vfs; i++) { |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1261 | if (!adapter->vf_rate_link_speed) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1262 | adapter->vfinfo[i].tx_rate = 0; |
| 1263 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1264 | ixgbe_set_vf_rate_limit(adapter, i); |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1265 | } |
| 1266 | } |
| 1267 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1268 | int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate, |
| 1269 | int max_tx_rate) |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1270 | { |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1271 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1272 | int link_speed; |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1273 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1274 | /* verify VF is active */ |
| 1275 | if (vf >= adapter->num_vfs) |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1276 | return -EINVAL; |
| 1277 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1278 | /* verify link is up */ |
| 1279 | if (!adapter->link_up) |
| 1280 | return -EINVAL; |
| 1281 | |
| 1282 | /* verify we are linked at 10Gbps */ |
| 1283 | link_speed = ixgbe_link_mbps(adapter); |
| 1284 | if (link_speed != 10000) |
| 1285 | return -EINVAL; |
| 1286 | |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1287 | if (min_tx_rate) |
| 1288 | return -EINVAL; |
| 1289 | |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1290 | /* rate limit cannot be less than 10Mbs or greater than link speed */ |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1291 | if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed))) |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1292 | return -EINVAL; |
| 1293 | |
| 1294 | /* store values */ |
| 1295 | adapter->vf_rate_link_speed = link_speed; |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1296 | adapter->vfinfo[vf].tx_rate = max_tx_rate; |
Alexander Duyck | 9f66d3e | 2012-07-20 08:09:06 +0000 | [diff] [blame] | 1297 | |
| 1298 | /* update hardware configuration */ |
| 1299 | ixgbe_set_vf_rate_limit(adapter, vf); |
Lior Levy | ff4ab20 | 2011-03-11 02:03:07 +0000 | [diff] [blame] | 1300 | |
| 1301 | return 0; |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1302 | } |
| 1303 | |
Greg Rose | de4c7f6 | 2011-09-29 05:57:33 +0000 | [diff] [blame] | 1304 | int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting) |
| 1305 | { |
| 1306 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1307 | int vf_target_reg = vf >> 3; |
| 1308 | int vf_target_shift = vf % 8; |
| 1309 | struct ixgbe_hw *hw = &adapter->hw; |
| 1310 | u32 regval; |
| 1311 | |
Emil Tantilov | 600a507 | 2014-10-16 15:49:02 +0000 | [diff] [blame] | 1312 | if (vf >= adapter->num_vfs) |
| 1313 | return -EINVAL; |
| 1314 | |
Greg Rose | de4c7f6 | 2011-09-29 05:57:33 +0000 | [diff] [blame] | 1315 | adapter->vfinfo[vf].spoofchk_enabled = setting; |
| 1316 | |
| 1317 | regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); |
| 1318 | regval &= ~(1 << vf_target_shift); |
| 1319 | regval |= (setting << vf_target_shift); |
| 1320 | IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval); |
| 1321 | |
| 1322 | if (adapter->vfinfo[vf].vlan_count) { |
| 1323 | vf_target_shift += IXGBE_SPOOF_VLANAS_SHIFT; |
| 1324 | regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); |
| 1325 | regval &= ~(1 << vf_target_shift); |
| 1326 | regval |= (setting << vf_target_shift); |
| 1327 | IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval); |
| 1328 | } |
| 1329 | |
| 1330 | return 0; |
| 1331 | } |
| 1332 | |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1333 | int ixgbe_ndo_get_vf_config(struct net_device *netdev, |
| 1334 | int vf, struct ifla_vf_info *ivi) |
| 1335 | { |
| 1336 | struct ixgbe_adapter *adapter = netdev_priv(netdev); |
| 1337 | if (vf >= adapter->num_vfs) |
| 1338 | return -EINVAL; |
| 1339 | ivi->vf = vf; |
| 1340 | memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN); |
Sucheta Chakraborty | ed61668 | 2014-05-22 09:59:05 -0400 | [diff] [blame] | 1341 | ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate; |
| 1342 | ivi->min_tx_rate = 0; |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1343 | ivi->vlan = adapter->vfinfo[vf].pf_vlan; |
| 1344 | ivi->qos = adapter->vfinfo[vf].pf_qos; |
Greg Rose | de4c7f6 | 2011-09-29 05:57:33 +0000 | [diff] [blame] | 1345 | ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled; |
Greg Rose | 7f01648 | 2010-05-04 22:12:06 +0000 | [diff] [blame] | 1346 | return 0; |
| 1347 | } |